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Posts Tagged ‘brazilian internet’

The tale of one thousand and one DSL modems

01
Oct
2012

IntroductionThis is the description of an attack happening in Brazil since 2011 using 1 firmware vulnerability, 2 malicious scripts and 40 malicious DNS servers, which affected 6 hardware manufacturers, resulting in millions of Brazilian internet users falling victim to a sustained and silent mass attack on DSL modems.We will show how cybercriminals exploited an under-the-radar […]

Category General Written by Securelist / Blog 0 Comments

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Brazilian Trojan bankers now digitally signed

03
Sep
2012

How easy is it for bad guys to buy valid digital certificates from CAs using fake data and then start signing Trojan bankers with them? In Brazil it appears to be very easy. Today most software developers digitally sign their programs. The process involves Certification Authorities (CAs) that must verify the authenticity of the files […]

Category General Written by Securelist / Blog 0 Comments

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Gaddafi search poisoning

21
Oct
2011

Here's an example of search poisoning  somewhat similar to that predicted by Stephen Cobb using the death of Gaddafi as a hook, noted by our colleague Raphael Labaca Castro, of ESET Latin America. The original blog is in Spanish. Raphael reports an email that comes with the following title (in Portuguese, suggesting that Brazilian Internet users […]

Category General Written by ESET ThreatBlog 0 Comments

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